Phosphotungstic Acid

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Phosphotungstic Acid Specification

Purity
99% Min

Other Names
Tungstophosphoric Acid PTA

Form
Solid

Ph Level
1-2 (Strongly Acidic)

Poisonous
No

Molecular Formula
HPWO

Molecular Weight
2986.01 g/mol

Solubility
Highly soluble in water

Structural Formula
Complex polyoxometalate structure

Shape
Powder or Crystal

Refractive Rate
Not Available

Boiling point
(Decomposes)

Smell
Odorless

Density
4.1 Gram per cubic centimeter(g/cm3)

Storage
Store in a cool dry and well-ventilated area away from moisture

HS Code
28045010

Melting Point
89C (Decomposes upon heating)

Classification
Inorganic Acid

Chemical Name
Phosphotungstic Acid

CAS No
12067-99-1

EINECS No
235-087-6

Grade
Industrial Grade

Standard
GB Standards

Type
Catalyst and Reagent

Usage
Used as a catalyst in organic synthesis staining agent in microscopy and reagent in analytical chemistry

Main Material
Tungsten and Phosphorus Compounds

Application
Petrochemicals Biological Staining Analytical Chemistry

About Phosphotungstic Acid

Phosphotungstic Acid

Cas no. : 121501-23-4

Specifications :

Appearance : White crystalline powder

Chloride (Cl) : <0.005%
Sulphate (SO4) : <0.01%
Total nitrogen (N): <0.002%
Lead (Pb) : <0.002%
Iron (Fe): <0.002%
Potassium (K): <0.02%
Copper (Cu): <0.001%
Sodium (Na) : <0.02%
Loss on ignition at 750oC : <17%